I drained the above last week to fit an immersion heater. Ran a hose from the drain c*ck into the bath and then went back upstairs while it drained. When I went back to the bathroom the last of the tank's liquid lying in the bath and still dripping out of the hose was a bright almost flourescent electric blue. I'm red/green colourblind though so it could also have been a light mauve or purple for all I'd know but it was a very attractive and striking colour whatever it was. However it's not necessarily what I want in the hot water that ends up in my baths and sink.
If you go here
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was something like FF66FF on the far right hand side about half way down.
The tank's only been in place for about 3 years. Clearly something is corroding or reacting with something else but there was nothing like this when I drained the old tank which had been there for eons.
Anyone seen this phenomenon before?
-- Dave Baker Puma Race Engines
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Camp USA engineer minces about for high performance specialist (4,4,7)
Not sure if it's a great help, other than to let you know that you're not alone
In our new build out here in the far South-West of Ireland, we get this 'blue water' effect, particularly with the hot water.
It's sort-of-turquoise in the bath, and the colour becomes much more pronounced when there's soap in the bath.
Our water comes from a deep bore well, as is common out here in the wilds .
We have a man doing an water analysis on the water at the moment. His preliminary comment was that the water could be quite acidic, and might be reacting with the copper hot water cylinder..... won't know for certain about the water analysis until after the New Year.
I do know that the water is very soft - round about the 'bottom of the scale' on the Screwfix water hardness tester.
So - not much help - but at least you're not alone !
Which to the rest of us is a sort of pink colour . That one might look like blue to you as you see it but of course is nothing like what it ( the water colour) actually is .if that makes sense . so doesn't tell us what the water colour actually is .
I have a friend who is colour blind and insists he sees colour - just can't identify it. He is completely colour blind and if you haven't seen colour how do you know what you are missing?
Has someone told you it is blue or are you guessing? The colour you linked to is pink.
Could it be copper sulphate perhaps? I remember at school it was a bluish colour. Then again, I was at school 30 years ago so forgive my chemistry lecture!!! Steve
hw cylinders sometimes have a sacraficial annode built in to let you know that it is coming to the end of its life span (so they say) this causes green/blue coloured water, it can also be caused by scale at the bottom of your cylinder especially if you live in a hard water area. shane
Not all colourblindnesses are equal. The eye is normally sensitive to three different wavelengths; red, green and blue. Most forms of colourblindness involve, for example, a deficient green receptor that responds to red light, leaving you unable to differentiate red and green, but still knowing the difference between red/green and blue, and indeed red/green and black.
Total colourblindness is a result of two anomalous receptors, leaving you with true monochromatic vision, typically sensitive somewhere in the blue region. This is extremely rare.
To someone with a red deficiency, pink appears to be blue. Colourblind people tend to use common sense to fill in the gaps. The sky is blue, the grass is green, skin is pink (yes, even though it looks pale green) etc. This works until the sky is pink, which will go unnoticed, or the grass dies, at which point you know that dead-looking grass is brown, even though you're still perceiving it as roughly the same shade of poo-colour.
We also tend to make greater use of contrast when perceiving differences between shades. For example, being red-deficient, I cannot tell the difference between green and all but the most saturated yellows - I see them all as a normal person sees green. However, when you're a small child, they show you a cartoonish picture, and teach you that green is the medium-green of grass, and that yellow is the bright yellow of the sun. So I learned that medium greens were called 'green' and light greens were called 'yellow', and as a result, 90% of the time, I appeared to correctly differentiate green and yellow.
That the OP described FF66FF as blue suggests that they have a red deficiency, and a poor understanding of RGB colour mixing :)
That they described the water as blue tells you nothing more than it is going to be somewhere on the (presumably) blue-pink-purple spectrum. That they chose 'blue' vs 'pink' to describe it means nothing (other than perhaps they come across more blue things that look blue/pink/purple than pink or purple things that look blue/pink/purple).
All this reminds me of our RS rep 40 years ago - I can date it because the conversation took place just before the introduction of colour tv!
He said that he was colour blind and, although he couldn't identify colours, he could spot minute differences in hue (I assume from this that his vision was monochromatic.)
One of his customers was Ford at Dagenham and he walked past the production lines on his visits. He said he couldn't tell what colour the cars were but could spot when somebody was going to get a car with different colour doors to the body! Although the difference was so slight that many people with normal vision wouldn't see it, he could spot it instantly.
He then told us of an experiment he took part in during the war. He and others were taken on a long flight round a number of carefully camoflaged sites. When they landed, he had successfully spotted ever single one of them whilst those with normal colour vision saw none!
OT I know, but Kim's explanation rang a few bells!
As I said the water colour may well have been pink, mauve, purple or anything else with blue in it. All I see is the blue part of the spectrum because I don't have receptors for the red part, or at least not many of them. If there's a large enough patch of colour occupying most of my field of view I can differentiate a lot better but a small area like on that chart doesn't give me enough to go by. That colour I picked out was about the right 'brightness' though.
If I'm standing in front of a pillar box it looks bright red. If I'm 100 yards away it just looks 'dark'. Not enough visual cues to go by. I remember really realising I saw the world differently to other people when I was walking through a churchyard with my gran one Xmas. She pointed to a holly bush some way off and said doesn't that look wonderful with all the berries glowing in it like Xmas tree lights. I couldn't see any sodding berries. The red berries and green leaves just looked like an amorphous dark mass to me. Standing next to the bush though I could pick the berries out no problem.
The other thing I remember is being about 7 and finding a red pencil on the floor in school. I knew I couldn't tell the colour of anything small and red like that if it was more than a few feet away so I assumed everyone else was the same. Still holding it in front of me I asked if anyone had lost a pencil. Someone across the room said yes so I said tell me what colour the one you lost is to prove it's yours. He looked at it, said red and the whole class fell about laughing like I was some sort of idiot. I didn't understand what they were laughing at though and it was years later before I started to grasp that my eyes just didn't work like theirs.
On the upside my night vision is like an owl's. When the colour cues have faded away in the dusk all you people with normal vision stumble about like blind men. I can see my way quite clearly until it's basically pitch black. I was on holiday with a girlfriend some years ago in Aberystwyth and we went for a walk after a late Indian meal and ended up in a ruined castle by the beach. There was a statue with a plaque on it and I stopped to read the plaque in the moonlight. She turned round and asked what I was doing. I said I was reading the plaque. She couldn't even see that there were words on it. Just for once I felt mildly smug about my eyes.
Then on the way home I drove straight through a red traffic light and killed us both. It's my disembodied spirit typing this. :)
Oh yes, and the thing that really pissed me off the most. I was playing snooker with a mate and potted one of the best balls of my life. The full length of the table *and* I screwed back to get perfect position on the colour. Then he said "you do realise you've just potted the brown not a red?" Fuckkkkkkkkkkkkk.
-- Dave Baker Puma Race Engines
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Camp USA engineer minces about for high performance specialist (4,4,7)
That reminds me of the time my wife and I were trawling through every shop that sold wallpaper. After several weeks we found a pattern that we both agreed on. I went to get the right number of rolls, only to find that what little stock they had left consisted of two consecutive batches. My wife and the female assistants both assured me that the colours were all the same, but I pointed out that the tiny squares (5 or 6 mm across) were of a slightly different shade. I was convinced, that by putting one batch on one wall, I could hide the differences, so we purchased them.
When I got home, I put all the paper onto a table, label side down and tried to match the two batches. This I did with 100% accuracy.
By the way, I have a slight red/green colour blindness, but excellent night vision. Are the two connected?
FWIW, my night vision's somewhat dubious. Night vision is based on a different set of receptors (rod cells), so I'd have thought it would be unrelated to colourblindness.
Absolutely. I'm forever amazed at the inability of most people to tell the difference between black and navy socks. Or indeed the various shades of black/navy that socks go after an unequal number of washes.
Similarly, many years ago, I accompanied my (adoptive - they have normal colour vision) parents on a safari in Zimbabwe. The thing about the African bush, when you're colourblind, is that *everything* is a shade of poo-colour. After much frustration at failing to spot the various wildlife[1] moving through patchy undergrowth that was pointed out to me, I eventually realised that I could see more clearly if I looked through the B&W CRT viewfinder of the camcorder I was carrying. The substitution of greyscale for pooscale made little difference to me, but the increased (and indeed, controllable) contrast made things much easier.
Conversely, my father found the camcorder frustrating for exactly the opposite reason: the loss of colour meant that spotting brown animals against green undergrowth was much harder.
I think what you probably are looking at is 66FFFF (transposing Red & Green) resulting in something Cyan-ish, indicitave of something copper-based in your water.
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